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Posted to user@cassandra.apache.org by Loïc CHANEL via user <us...@cassandra.apache.org> on 2022/12/19 10:14:48 UTC
Hidden directories
Hi team,
Small question about hidden folders. I understood that Cassandra data is
stored in the following directory organization :
/<data_folder>/<keyspace>/<table_name>-<uid>/ but I noticed hidden folders
in some of the table directories. For example :
/volumes/cassandra/data/testkeyspace/test_table-258a3400999211e98ee681105b53681d/.test_table/
contains data files that follows the same pattern as what's in
/volumes/cassandra/data/testkeyspace/test_table-258a3400999211e98ee681105b53681d
.
What are these files ? I was even more surprised when I noticed that some
of these files are older than my data retention (found files from the 15th
November but my data retention is 30 days).
Thanks for your help,
Loïc CHANEL
System Big Data engineer
SoftAtHome (Lyon, France)
Re: Hidden directories
Posted by Loïc CHANEL via user <us...@cassandra.apache.org>.
You're right, I definitely missed that the structure was not
/volumes/cassandra/data/testkeyspace/test_table-
258a3400999211e98ee681105b53681d/.test_table/ but actually
/volumes/cassandra/data/testkeyspace/test_table-
258a3400999211e98ee681105b53681d/.test_index/
Thanks a lot Stefan !
Loïc CHANEL
System Big Data engineer
SoftAtHome (Lyon, France)
Le lun. 19 déc. 2022 à 11:23, Miklosovic, Stefan <
Stefan.Miklosovic@netapp.com> a écrit :
> I think they are sstables related to indexes?
>
> Regards
>
> ________________________________________
> From: Loïc CHANEL via user <us...@cassandra.apache.org>
> Sent: Monday, December 19, 2022 11:14
> To: user@cassandra.apache.org
> Subject: Hidden directories
>
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>
> Hi team,
>
> Small question about hidden folders. I understood that Cassandra data is
> stored in the following directory organization :
> /<data_folder>/<keyspace>/<table_name>-<uid>/ but I noticed hidden folders
> in some of the table directories. For example :
> /volumes/cassandra/data/testkeyspace/test_table-258a3400999211e98ee681105b53681d/.test_table/
> contains data files that follows the same pattern as what's in
> /volumes/cassandra/data/testkeyspace/test_table-258a3400999211e98ee681105b53681d
> .
> What are these files ? I was even more surprised when I noticed that some
> of these files are older than my data retention (found files from the 15th
> November but my data retention is 30 days).
> Thanks for your help,
>
>
> Loïc CHANEL
> System Big Data engineer
> SoftAtHome (Lyon, France)
>